195742142 has 20 divisors (see below), whose sum is σ = 310337616. Its totient is φ = 92596500.

The previous prime is 195742133. The next prime is 195742177. The reversal of 195742142 is 241247591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 260267 + ... + 261017.

Almost surely, 2^195742142 is an apocalyptic number.

195742142 is a deficient number, since it is larger than the sum of its proper divisors (114595474).

195742142 is an frugal number, since it uses more digits than its factorization.

195742142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 772 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 195742142 is about 13990.7877548049. The cubic root of 195742142 is about 580.6237265525.

The spelling of 195742142 in words is "one hundred ninety-five million, seven hundred forty-two thousand, one hundred forty-two".